There's a good post from Dan Farber
pointing out the disruptive potential behind edgeio's marketplace platform which has just gone into beta.Keith
and his team at edgeio (disclosure: I am a small investor through TAG
) are really doing some creative things with listings and changing the way publishers of all sizes can generate revenue from classified advertising online.
For more on the product, see an interview with product manager John Dowd on Scoble's Podshow